Alpine Foam Lichen vs Bare-legged Swiftlet

Stereocaulon alpinum compared with Aerodramus nuditarsus

Key Differences

• Alpine Foam Lichen is Data Deficient while Bare-legged Swiftlet is Least Concern.

Taxonomic Classification

Rank	Alpine Foam Lichen	Bare-legged Swiftlet
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Lecanorales (Lecanorales)	Apodiformes (Apodiformes)
Family	Stereocaulaceae	Apodidae
Genus	Stereocaulon	Aerodramus
Species	Stereocaulon alpinum	Aerodramus nuditarsus

Conservation Status

Alpine Foam Lichen

DD — Data Deficient

Bare-legged Swiftlet

LC — Least Concern

Physical Characteristics

Attribute	Alpine Foam Lichen	Bare-legged Swiftlet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Foam Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States.

Bare-legged Swiftlet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

Alpine Foam Lichen

The Alpine Foam Lichen (Stereocaulon alpinum) is a species in the genus Stereocaulon. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Denmark, Norway, Sweden, and United States.

Bare-legged Swiftlet

The Bare-legged Swiftlet (Aerodramus nuditarsus) is a species in the genus Aerodramus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway